Home / 109,864.86-151,619.31-69,563.94

Finding the Fourth Proportional to 109,864.86, 151,619.31 and 69,563.94

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Solution

The fourth proportional to 109,864.86, 151,619.31 and 69,563.94 is: 96,001.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,864.86 : 151,619.31 = 69,563.94 : x
  2. Step 2: Convert to fraction form
    109,864.86/151,619.31 = 69,563.94/x
  3. Step 3: Cross multiply
    109,864.86x = 151,619.31 × 69,563.94
  4. Step 4: Simplify right side
    109,864.86x = 10,547,236,583.68
  5. Step 5: Solve for x
    x = 10,547,236,583.68/109,864.86
  6. Step 6: Final answer
    x = 96,001.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.